[MIN] XQuery, wording of error messages
[ADD] TokenObjMap.toString()
[FIX] incorrect binary search in DiskValues; incorrect binary search calls in UpdatableDiskValues
Merge pull request #779 from dimitarp/updindex-fix

Index update fix
[FIX] REST: handle concurrent transactions. Closes #666
Merge branch 'next' of github.com:BaseXdb/basex into next
[MIN] checkstyle
[MOD] REST, POST method: ignore case of option names
[FIX] XQuery: NPE when checking function implementations; closes #778
[FIX] XQuery: DataBuilder does not fill the PathSummary.Fixes #759
[MOD] XQuery: modify operator "!!" changed to "update"
[ADD] XQuery, Request Module: request:context-path()
[ADD] Core, Locking: Annotations for Java modules. Closes #734
[MOD] XQuery Java Module: "context" renamed to "queryContext"
[MIN] Testing code simplified.
[FIX] Core: javac compiler bugs resolved (did not occur in Eclipse)
[MIN] IntelliJ settings
[FIX] toString() on byte array
[FIX] Command: possible call of null reference
[FIX] toString() on byte array